Top One Power Limited offers an extensive product range across industrial diesel generator sets. Our open and enclosed diesel generator sets are driven by Cummins and Perkins engines, ranging from 25 kVA to 2500 kVA (20 kW to 2000 kW). We also provide marine generators and spare parts for the international diesel genset market. Having been serving the global growing need for power generation since 2008, Top One Power is the authorized Genset Original Equipment Manufacturer (GOEM) of Cummins Inc. and Chongqing Cummins. We have over 50 years of industry experience in power generation from our parent company – Yip Shing Diesel Engineering Co. Ltd. Our headquarter is based in Hong Kong alongside our main manufacturing facilities and self-owned warehouse, from generator set assembly lines to quality control checking to ensure our product quality. In 2013, we have extended our business operation into Dongguan, China to expand our production line for soundproof generator sets. Customer satisfaction is our top priority. From material to design, we are determined to maintain the best product quality, striving to satisfy customers' demands. We specialize in custom-built enclosure sets for no matter stationary or mobile applications. Our latest series are equipped with engines applying Quantum techniques, enhancing durability and stability. Additionally, this series is able to meet strict measurements from the U.S. Environmental Protection Agency (EPA) and European Union (EU).